Display device

Abstract

A display device according to an exemplary embodiment of the present disclosure includes: a substrate provided with a plurality of pixels each having a transmissive region and a plurality of sub-pixels; a non-light emitting region disposed on the substrate between the transmissive region and the plurality of sub-pixels and between the plurality of sub-pixels; a plurality of wirings disposed in the non-light emitting region, the plurality of wirings being disposed in the non-light emitting region; and a plurality of light shielding members partially overlapping at least a portion of the plurality of wirings.

Description

Technical Field

[0001] The present disclosure relates to display devices, and more particularly, for example and without limitation, to a transparent display device for displaying an image. Background Art

[0002] With the advancement of the information age, the demand for display devices for displaying images has increased in various forms. Therefore, various types of display devices have been used recently, such as liquid crystal display (LCD) devices, plasma display panel (PDP) devices, organic light emitting display (OLED) devices, and quantum dot light emitting display (QLED) devices.

[0003] Recently, research on a transparent display device in which a user can view an object or an image located on the opposite side by seeing through the display device is actively being conducted.

[0004] As an example, a transparent display device may include a display area in a substrate on which an image is displayed, and the display area may include a transmissive area capable of transmitting external light and a non-transmissive area that does not transmit light. As an example, the non-transmissive area may include a plurality of luminous areas from which light is emitted and a non-luminous area disposed between the plurality of luminous areas.

[0005] The description provided in the Background section should not be admitted to be prior art merely because it is mentioned in or related to the Background section.The Background section may include information describing one or more aspects of the subject technology. Summary of the Invention

[0006] However, multiple light-emitting areas are spaced apart from each other with non-light-emitting areas interposed therebetween, and various wirings for driving the multiple light-emitting areas are arranged between the spaced light-emitting areas (or non-light-emitting areas). Narrow gaps are provided between these wirings so that external light can pass through the narrow gaps. When external light passes through the narrow gaps, micro-diffraction occurs, resulting in deterioration of the image quality of the transparent display device.

[0007] The present disclosure is to provide a transparent display device capable of preventing micro-diffraction and thus preventing degradation of image quality.

[0008] The present disclosure is to provide a transparent display device capable of making uniform the brightness of an image emitted from edge portions and a central portion of a display panel.

[0009] The present disclosure aims to provide a transparent display device in which a voltage drop in the central portion of a display panel can be prevented so that the brightness of the edge and central portions of the display panel can be uniform even under low power conditions, thereby reducing overall power consumption.

[0010] The present disclosure is to provide a transparent display device capable of preventing coupling between pixels during operation.

[0011] The present disclosure is to provide a transparent display device capable of enhancing transmittance (or transparency).

[0012] The technical benefits of the present disclosure are not limited to the above-mentioned benefits, and other benefits not mentioned above can be clearly understood by those skilled in the art from the following description.

[0013] According to an embodiment of the present disclosure, a transparent display device includes: a substrate, which is provided with a plurality of pixels each having a transmission area and a plurality of sub-pixels; a non-luminous area, which is provided on the substrate between the transmission area and the plurality of sub-pixels and between the plurality of sub-pixels; a plurality of wirings, which are provided in the non-luminous area; and a plurality of light-shielding members, which partially overlap with at least a portion of the plurality of wirings.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the inventive concept as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this application, illustrate embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. In the drawings:

[0016] Figure 1 is a plan view illustrating a transparent display device according to an exemplary embodiment of the present disclosure.

[0017] Figure 2 A single pixel is shown Figure 1 Schematic enlarged view of part A of FIG.

[0018] Figure 3 The black matrix and color filter are omitted Figure 2 Picture.

[0019] Figure 4 yes Figure 2 Schematic cross-sectional view along line II' is shown.

[0020] Figure 5 yes Figure 2 Schematic cross-sectional view along line II-II' is shown.

[0021] Figure 6 yes Figure 2 Schematic cross-sectional view along line III-III' is shown.

[0022] Figure 7 is a plan view of a transparent display device according to another exemplary embodiment of the present disclosure.

[0023] Figure 8 The black matrix and color filter are omitted Figure 7 Picture.

[0024] Figure 9 yes Figure 7 Schematic cross-sectional view along line IV-IV' is shown.

[0025] Figure 10 yes Figure 7 Schematic cross-sectional view along line VV' is shown.

[0026] Throughout the drawings and detailed description, unless otherwise described, the same drawing reference numerals should be understood to refer to the same elements, features, and structures. The relative sizes and depictions of these elements may be exaggerated for clarity, illustration, and convenience. DETAILED DESCRIPTION

[0027] Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. Whenever possible, the same reference numerals will be used throughout the accompanying drawings to refer to the same or similar parts. The following embodiments described with reference to the accompanying drawings illustrate the advantages and features of the present disclosure and their implementation methods. However, the present disclosure can be implemented in different forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure will be thorough and complete and will fully convey the scope of the present disclosure to those skilled in the art. Furthermore, the present disclosure is limited only by the scope of the claims.

[0028] The progression of process steps and / or operations described is an example; however, the order of the steps and / or operations is not limited to the order set forth herein and may be modified as known in the art, except for steps and / or operations that must occur in a specific order. The names of various elements used in the following description may have been selected solely for convenience in writing the specification and therefore may differ from the names used in an actual product.

[0029] The shapes (eg, size, length, width, height, thickness, position, radius, diameter, and area), ratios, angles, and quantities disclosed in the drawings for describing the embodiments of the present disclosure are merely examples, and thus, the present disclosure is not limited to the details shown.

[0030] The word "exemplary" is used to mean serving as an example or illustration. Aspects are example aspects. "Implementation," "example," "aspect," etc. should not be construed as preferred or advantageous over other implementations. Implementations, examples, example implementations, aspects, etc. may refer to one or more implementations, one or more examples, one or more example implementations, one or more aspects, etc., unless otherwise specified. Furthermore, the term "may" encompasses all meanings of the term "can."

[0031] The same reference numerals refer to the same elements throughout. In the following description, when a detailed description of a related known function or configuration is determined to be unnecessary to obscure the focus of the present disclosure, the detailed description will be omitted. Any implementation described herein as an "example" is not necessarily to be construed as being preferred or advantageous over other implementations.

[0032] In the case where “including,” “having,” and “comprising” described in the present specification are used, another part may be added unless “only to” is used. Terms in the singular form may include plural forms unless otherwise indicated.

[0033] When explaining the elements, the elements are construed as including the error range even when not explicitly described.

[0034] When describing a positional relationship, for example, when the positional relationship between two parts is described as "~on", "~above", "~below", and "~next to", one or more other parts may be set between the two parts, unless "just" or "directly" is used.

[0035] Terms such as "below," "lower," "above," "upper," etc. may be used herein to describe the relationship between elements as shown in the figures. It should be understood that these terms are spatially relative and based on the orientation depicted in the figures.

[0036] When describing a temporal relationship, for example, when a temporal order is described as "after," "subsequently," "next," and "before," discontinuous cases may be included unless "just" or "directly" is used.

[0037] It will be understood that, although the terms "first," "second," "A," "B," "(a)," and "(b)," etc. may be used herein to describe various elements, these elements should not be limited by these terms.

[0038] These terms are only used to distinguish one element from another.For example, a first element can be referred to as a second element, and similarly, a second element can be referred to as a first element, without departing from the scope of the present disclosure.

[0039] The “X-axis direction,” “Y-axis direction,” and “Z-axis direction” should not be interpreted solely by the geometric relationship of being perpendicular to each other, and may have wider directivities within a range in which the elements of the present disclosure can function functionally.

[0040] The term "at least one" should be understood to include any and all combinations of one or more of the associated listed items. For example, the meaning of "at least one of the first, second, and third items" means all combinations of items listed from two or more of the first, second, and third items, as well as the first, second, or third item.

[0041] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the example embodiments belong. It should also be understood that terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, for example, and should not be interpreted as idealized or overly formal unless explicitly defined as such herein. For example, as will be understood by one of ordinary skill in the art, the term "part" or "unit" may apply to, for example, a separate circuit or structure, an integrated circuit, a computing block of a circuit device, or any structure configured to perform the described function.

[0042] As can be fully understood by those skilled in the art, the features of various embodiments of the present disclosure may be coupled or combined with each other in part or as a whole, and may interoperate with each other in various ways and be technically driven.

[0043] The embodiments of the present disclosure may be performed independently of each other, or may be performed together in a mutually dependent relationship.

[0044] Preferred embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0045] Figure 1 is a plan view showing a transparent display device according to an exemplary embodiment of the present disclosure, Figure 2 is a graph showing a single pixel Figure 1 A schematic enlargement of part A, and Figure 3 yes Figure 2 A diagram omitting the black matrix and color filters.

[0046] Hereinafter, a first direction (Y-axis direction) indicates a direction parallel to the data line DL, a second direction (X-axis direction) indicates a direction parallel to the gate line GL, and a third direction (Z-axis direction) indicates a thickness direction of the transparent display device 100.

[0047] The following description will be based on the assumption that the transparent display device 100 according to an exemplary embodiment of the present disclosure is an organic light-emitting display device, but is not limited thereto. That is, the transparent display device according to an exemplary embodiment of the present disclosure can be implemented as any one of a liquid crystal display device, a field emission display device, a quantum dot light-emitting diode device, a light-emitting diode (LED) display device, a micro-LED display device, an electrophoretic display device, and an organic light-emitting display device.

[0048] refer to Figures 1 to 3 A transparent display device 100 according to an exemplary embodiment of the present disclosure may include a display panel having a gate driver GD, a source driver integrated circuit (hereinafter referred to as “IC”) 120 , a flexible film 130 , a circuit board 140 , and a timing controller 150 .

[0049] The display panel may include a substrate 110 and an opposite substrate 200 (shown in FIG. Figure 4 (in), but not limited to.

[0050] The substrate 110 may include thin film transistors and may be a transistor array substrate, a lower substrate, a base substrate, or a first substrate. For example, the substrate 110 may be a transparent substrate. For example, the substrate 110 may be a transparent glass substrate or a transparent plastic substrate, but is not limited thereto.

[0051] The counter substrate 200 can be bonded to the substrate 110, for example, via an adhesive member. For example, the counter substrate 200 can have a size smaller than that of the substrate 110, or can have a size greater than or equal to that of the substrate 110. As an example, the counter substrate 200 can be bonded to the remaining portion of the substrate 110 excluding the pad region. The counter substrate 200 can be an upper substrate, a second substrate, or a package substrate. Hereinafter, the counter substrate 200 is referred to as the second substrate.

[0052] The gate driver GD supplies a gate signal to the gate line according to a gate control signal input from the timing controller 150. When the source driver IC 120 is manufactured as a driver chip, the source driver IC 120 may be packaged in the flexible film 130 in a chip on film (COF) method or a chip on plastic (COP) method.

[0053] Pads such as power pads and data pads may be formed in the non-display area of ​​the display panel. The flexible film 130 may include lines connecting the pads to the source driver IC 120 and / or lines connecting the pads to the circuit board 140. The flexible film 130 may be attached to the pads, for example, using an anisotropic conductive film, so that the pads can be connected to the lines of the flexible film 130.

[0054] Reference Figure 1, the substrate 110 according to an example may include a display area DA and a non-display area NDA.

[0055] The display area DA is an area in which an image is displayed, and may be a pixel array area, an active area, a pixel array unit, a display unit, or a screen. For example, the display area DA may be provided in the central portion of the display panel, but is not limited thereto. As an example, the display area DA may be offset from the central portion of the display panel, or may be provided over the entire display panel, with the non-display area NDA being omitted or invisible from the front side of the display panel (e.g., by being curved toward the rear side of the display panel).

[0056] The display area DA according to an example may include a gate line, a data line, a pixel driving power line, and a plurality of pixels P (shown in FIG. Figure 2 Each of the plurality of pixels P may include a plurality of sub-pixels SP, which may be defined by gate lines and data lines, and a transmissive area TA disposed adjacent to at least one, some, or all of the plurality of sub-pixels SP. The transmissive area TA is a region configured to allow light to pass through the front and rear surfaces of the display panel. Thus, a user positioned in the direction of the front surface of the display panel can view an image or background positioned in the direction of the rear surface of the display panel through the transmissive area TA.

[0057] Each of the plurality of sub-pixels SP may be defined as a minimum unit area in which light is actually emitted.

[0058] As an example, at least one sub-pixel or multiple sub-pixels emitting the same or different colors may be provided in a unit pixel P. According to one example, at least four sub-pixels SP configured to emit light of different colors and arranged adjacent to each other, and a transmission area TA, from among the multiple sub-pixels SP, constitute a unit pixel P. As an example, a transmission area TA included in a unit pixel may be configured to be divided into multiple areas, but is not limited thereto. A unit pixel may include, but is not limited to, a red sub-pixel, a green sub-pixel, a blue sub-pixel, a white sub-pixel, and a transmission area TA. According to another example, three sub-pixels SP configured to emit light of different colors and arranged adjacent to each other, and a transmission area TA, constitute a unit pixel. According to another example, a unit pixel may include at least one red sub-pixel, at least one green sub-pixel, at least one blue sub-pixel, and a transmission area TA, but is not limited thereto. As an example, sub-pixels of colors other than red, green, blue, and white may be included alternatively or additionally.

[0059] Each of the plurality of sub-pixels SP may include a thin film transistor and a light emitting element connected to the thin film transistor. The sub-pixel may include a light emitting layer (or an organic light emitting layer) interposed between a first electrode and a second electrode.

[0060] The light-emitting layer provided in each of the plurality of sub-pixels SP may each emit light of a different color, or may collectively emit white light. According to one example, when the light-emitting layer of each of the plurality of sub-pixels SP collectively emits white light, each of the red sub-pixel, the green sub-pixel, and the blue sub-pixel may include a color filter (or wavelength conversion member) for converting the white light into light of a different color. In this case, the white sub-pixel according to one example may not include a color filter. According to one example, the color filter CF may include a red filter CF1, a blue filter CF2, and a green filter CF3, but is not limited thereto.

[0061] In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the area where the red color filter CF1 is provided may be the red sub-pixel SP1, the area where the blue color filter CF2 is provided may be the blue sub-pixel SP3, the area where the green color filter CF3 is provided may be the green sub-pixel SP4, and the area where no color filter is provided may be the white sub-pixel SP2. In the present disclosure, the red sub-pixel SP1 may be represented as a first sub-pixel configured to emit red light, the blue sub-pixel SP3 may be represented as a third sub-pixel configured to emit blue light, the green sub-pixel SP4 may be represented as a fourth sub-pixel configured to emit green light, and the white sub-pixel SP2 may be represented as a second sub-pixel configured to emit white light.

[0062] By using thin film transistors, when a gate signal is input from a gate line, each of the plurality of sub-pixels SP provides a predetermined current to the organic light emitting element according to a data voltage of the data line. For this reason, the light emitting layer of each sub-pixel can emit light at a predetermined brightness according to the predetermined current.

[0063] In addition, each of the plurality of sub-pixels SP emitting different colors may have the same shape and size, such as Figure 2As shown, it may include two light-emitting areas spaced apart from each other. For example, it may include a first light-emitting area and a second light-emitting area. The first sub-pixel SP1 according to the example may include, for example, a first light-emitting area EA1-1 and a second light-emitting area EA1-2 spaced apart from each other in a first direction (Y-axis direction). In addition, since the first sub-pixel SP1 emits red light, it may include a first color filter CF1 extending from the first light-emitting area EA1-1 to the second light-emitting area EA1-2. The second sub-pixel SP2 according to the example may include, for example, a first light-emitting area EA2-1 and a second light-emitting area EA2-2 spaced apart from each other in a first direction (Y-axis direction). The second sub-pixel SP2 may emit white light and therefore may not include a color filter. The third sub-pixel SP3 according to the example may include, for example, a first light-emitting area EA3-1 and a second light-emitting area EA3-2 spaced apart from each other in a first direction (Y-axis direction). In addition, since the third sub-pixel SP3 emits blue light, it may include a second color filter CF2 extending from the first light-emitting area EA3-1 to the second light-emitting area EA3-2. According to the example, the fourth sub-pixel SP4 may include, for example, a first light-emitting area EA4-1 and a second light-emitting area EA4-2 spaced apart from each other in the first direction (Y-axis direction). In addition, since the fourth sub-pixel SP4 emits green light, it may include a third color filter CF3 arranged to extend from the first light-emitting area EA4-1 to the second light-emitting area EA4-2. Embodiments are not limited thereto. As an example, each of the plurality of sub-pixels SP that emit different colors may have a different shape and / or size. As an example, each of the plurality of sub-pixels SP that emit different colors may have the same or different number of light-emitting areas, for example, one light-emitting area, two light-emitting areas, or three or more light-emitting areas. As an example, the two or more light-emitting areas included in at least one or each of the plurality of sub-pixels SP may be spaced apart from each other in a direction other than the first direction (Y-axis direction).

[0064] like Figure 2 As shown, the display area DA includes a transmissive area TA and a non-emissive area NEA. The transmissive area TA is a region through which a majority (e.g., greater than 90%, 80%, 70%, etc.) of externally incident light passes, while the non-emissive area NEA is a region that does not transmit a majority of the externally incident light. For example, the non-emissive area NEA may be a region excluding the emissive area EA from which light is emitted. In one example, the non-emissive area NEA may be disposed on the substrate 110 between the transmissive area TA and the plurality of sub-pixels SP, and also between the plurality of sub-pixels SP.

[0065] In the non-emission area NEA, there may be provided a plurality of pixels P and a plurality of wirings for driving each of the plurality of pixels P. According to one example, the plurality of wirings may include a plurality of first signal lines SL1 and a plurality of second signal lines SL2.

[0066] The plurality of first signal lines SL1 may extend along the second direction (X-axis direction), and each of the plurality of first signal lines SL1 may include at least one scan line.

[0067] Hereinafter, when the first signal line SL1 includes a plurality of lines, one first signal line SL1 may refer to a signal line group consisting of the plurality of lines. For example, when the first signal line SL1 includes two scan lines, one first signal line SL1 may refer to a signal line group consisting of the two scan lines.

[0068] The plurality of second signal lines SL2 may extend along a first direction (Y-axis direction). The plurality of second signal lines SL2 may intersect the plurality of first signal lines SL1. Each of the plurality of second signal lines SL2 may include a pixel power line VDD and a common power line VSS spaced apart from the pixel power line VDD. In an embodiment, the plurality of second signal lines SL2 may further include a plurality of data lines DL and a reference line RL. The plurality of data lines DL may include a first data line DL1 for driving the first sub-pixel SP1, a second data line DL2 for driving the second sub-pixel SP2, a third data line DL3 for driving the third sub-pixel SP3, and a fourth data line DL4 for driving the fourth sub-pixel SP4.

[0069] Hereinafter, when the second signal line SL2 includes a plurality of lines, one second signal line SL2 may refer to a signal line group consisting of the plurality of lines. For example, when the second signal line SL2 includes four data lines, a pixel power line, a common power line, and a reference line, one second signal line SL2 may refer to a signal line group consisting of the four data lines, the pixel power line, the common power line, and the reference line.

[0070] At least one transmission area TA may be provided between adjacent first signal lines SL1. In addition, at least one transmission area TA may be provided between adjacent second signal lines SL2. That is, the transmission area TA may be surrounded by two first signal lines SL1 and two second signal lines SL2. However, it is not limited thereto. Depending on the arrangement structure of the wiring, the first signal line SL1 (and / or the second signal line SL2) may be provided to pass through the transmission area TA, such as Figure 2 shown.

[0071] Return Reference Figure 1 The non-display area NDA is an area on which no image is displayed, and may be a peripheral circuit area, a signal supply area, an invalid area, or a frame area. The non-display area NDA may be configured to be adjacent to the display area DA. That is, the non-display area NDA may be provided to completely or partially surround the display area DA.

[0072] According to an exemplary embodiment of the present disclosure, a transparent display device 100 may include a pad portion PA disposed in a non-display area NDA. The pad portion PA may be used to drive a plurality of pixels P. For example, the pad portion PA may provide power and / or signals to the plurality of pixels P disposed in the display area DA to output an image. As an example, the non-display area NDA may include a first non-display area NDA1, a second non-display area NDA2, a third non-display area NDA3, and a fourth non-display area NDA4, but is not limited thereto. The pad portion PA according to an example may be disposed in the first non-display area NDA1, or may be disposed in one or more of the first non-display area NDA1, the second non-display area NDA2, the third non-display area NDA3, and the fourth non-display area NDA4. As an example, one or more of the first non-display area NDA1, the second non-display area NDA2, the third non-display area NDA3, and the fourth non-display area NDA4 may be omitted or not visible from the front side of the display panel.

[0073] The gate driver GD supplies a gate signal to the gate line according to a gate control signal input from the timing controller 150. The gate driver GD may be formed on a non-display area NDA outside one side of the display area DA or both sides of the display area DA of the display panel in a gate driver in panel (GIP) method, as shown in FIG. Figure 1 As shown. Alternatively, the gate driver GD can be manufactured as a driver chip, encapsulated in a flexible film, and attached to the non-display area NDA outside one or both sides of the display area DA of the display panel by a tape automated bonding (TAB) method. Alternatively, the gate driver GD can be attached to the non-display area NDA outside one or both sides of the display area DA of the display panel using a chip on glass (COG) or chip on board (COP) method, but is not limited thereto.

[0074] A plurality of gate drivers GD may be provided on the left side of the display area DA (i.e., the second non-display area NDA2) and on the right side of the display area DA (i.e., the third non-display area NDA3), respectively. According to one example, the plurality of gate drivers GD may be connected to the plurality of pixels P and the plurality of first signal lines SL1 for providing signals to the plurality of pixels P. The plurality of first signal lines SL1 may include at least one signal line for providing signals for driving the pixels P.

[0075] The plurality of second signal lines SL2 may extend along the first direction (Y-axis direction). The plurality of second signal lines SL2 may intersect the plurality of first signal lines SL1. The plurality of second signal lines may include a pixel power line VDD and at least one data line for providing a data voltage to the pixel P. Each of the plurality of second signal lines SL2 may be connected to at least one of a plurality of pads, a pixel power shorting bar VDDB, or a common power shorting bar VSSB. The pixel power shorting bar VDDB and / or the common power shorting bar VSSB may be arranged in a fourth non-display area NDA4 arranged relative to the pad portion PA based on the display area DA, or may be arranged in the first non-display area NDA1, but is not limited thereto.

[0076] The pixel is disposed to overlap at least one of the first signal line SL1 or the second signal line SL2 and emits predetermined light to display an image. The emission area EA may correspond to a region of the pixel P that emits light.

[0077] Each of the red sub-pixel SP1 (or first sub-pixel SP1), the white sub-pixel SP2 (or second sub-pixel SP2), the blue sub-pixel SP3 (or third sub-pixel SP3), and the green sub-pixel SP4 (or fourth sub-pixel SP4) may include at least one or more light-emitting regions. The at least one light-emitting region of each of the sub-pixels SP1, SP2, SP3, and SP4 may have the same shape and size, but is not necessarily limited thereto.

[0078] like Figure 2 As shown, the first sub-pixel SP1 according to one example may include a first light-emitting area EA1-1 and a second light-emitting area EA1-2 spaced apart from each other in the first direction (Y-axis direction). The second sub-pixel SP2 according to one example may include a first light-emitting area EA2-1 and a second light-emitting area EA2-2 spaced apart from each other in the first direction (Y-axis direction). The third sub-pixel SP3 according to one example may include a first light-emitting area EA3-1 and a second light-emitting area EA3-2 spaced apart from each other in the first direction (Y-axis direction). The fourth sub-pixel SP4 according to one example may include a first light-emitting area EA4-1 and a second light-emitting area EA4-2 spaced apart from each other in the first direction (Y-axis direction).

[0079] The reason why each sub-pixel includes two light-emitting areas (or sub-pixels) as described above is that when a sub-pixel includes only one light-emitting area, when particles are deposited on the light-emitting area (or sub-pixel) during the manufacturing process, the entire sub-pixel cannot emit light due to the short circuit caused by the particles. Therefore, in the transparent display device 100 according to an exemplary embodiment of the present disclosure, at least two light-emitting areas are set in one sub-pixel, and the plurality of light-emitting areas are connected to the driving transistor through each of a plurality of repair lines (not shown), so that when a defect occurs in the light-emitting area, the repair line connected to the light-emitting area in which the defect occurs can be cut off, whereby another light-emitting area can emit light to improve the light-emitting efficiency. For example, the two light-emitting areas set in each of the first sub-pixel SP1 to the fourth sub-pixel SP4 can be connected to the driving transistor set in each of the sub-pixels through the repair wiring. Therefore, as Figure 2 As shown, the first and second light emitting regions provided in each of the plurality of sub-pixels SP may have a structure connected to one circuit region CA. The circuit region CA according to an example may be provided to extend from the first light emitting region to the second light emitting region, as shown in FIG. Figure 2 As shown. Embodiments are not limited thereto. As an example, the circuit area CA according to one example may be arranged to overlap with both or only one of the first and second light-emitting areas, or not overlap with either the first and second light-emitting areas. The driving transistor may be arranged in the circuit area CA. The circuit area CA according to the example may be connected to each of the plurality of data lines DL via a branch wiring BRL. Therefore, a data voltage for driving each of the plurality of sub-pixels SP may be applied to the driving transistor arranged in the circuit area CA via the branch wiring BRL.

[0080] Return to reference Figure 2 and Figure 3 In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the non-emission area NEA may be provided between the transmission area TA and the plurality of sub-pixels SP1, SP2, SP3, and SP4, and between the plurality of sub-pixels SP1, SP2, SP3, and SP4 on the substrate 110. Since each of the plurality of sub-pixels includes a first emission area and a second emission area, the non-emission area NEA may be provided between the first emission area and the second emission area.

[0081] The non-emission area NEA may refer to an area provided in the display area DA and not emitting light, and may be referred to as a dead area because it does not emit light. The dead area according to one example may be an area in which a black matrix and / or a bank are provided, but is not limited thereto, and may refer to an area in which no light is emitted.

[0082] The non-emission area NEA may include multiple wirings, for example, a first signal line SL1 and a second signal line SL2. The first signal line SL1 may include a gate line GL extending in the second direction (X-axis direction). The second signal line SL2 may include a pixel power line VDD, a common power line VSS, a reference line RL, and a plurality of data lines DL extending in the first direction (Y-axis direction).

[0083] According to an exemplary embodiment of the present disclosure, the transparent display apparatus 100 may include a plurality of light blocking members BLK partially overlapping at least a portion of a plurality of wirings.

[0084] The plurality of light-shielding members BLK are used to reduce or block external light that passes through the narrow gaps (or gaps) between the plurality of wirings. The transparent display device 100 according to one type of embodiment of the present disclosure may be a top-emitting type, but is not limited thereto. Therefore, the plurality of light-shielding members BLK may be disposed on at least some of the plurality of wirings (or at least some of the plurality of wirings disposed in the non-luminous area NEA). For example, the plurality of light-shielding members BLK are disposed higher than the plurality of wirings, for example, closer to the opposing substrate 200. In one example, the light-shielding members BLK may be provided with an opaque material such as metal, but is not limited thereto. Therefore, even when external light incident on the substrate 110 passes through the gaps (or narrow gaps) between the plurality of wirings, it may be blocked by the plurality of light-shielding members BLK.

[0085] like Figure 3 As shown, in a plan view, a plurality of light blocking members BLK according to one example may be disposed to overlap a portion of the pixel power line VDD, a portion of the reference line RL, a portion of the common power line VSS, and a portion of each of the plurality of data lines DL. Figure 3 As shown, a portion of the pixel power line VDD, a portion of the reference line RL, a portion of the common power line VSS, and a portion of each of the plurality of data lines DL may be disposed in the non-emission area NEA. A plurality of light shielding members BLK (e.g., a first light shielding member BLK1 and a second light shielding member BLK2) may overlap with a portion of the pixel power line VDD, a portion of the reference line RL, a portion of the common power line VSS, and a portion of each of the plurality of data lines DL disposed in the non-emission area NEA, thereby blocking external light that passes through the narrow gaps (or gaps) between the plurality of wirings. As an example, the plurality of light shielding members BLK according to one example may be disposed so as to overlap the narrow gaps (or gaps) between the plurality of wirings.

[0086] Typically, multiple wirings can be spaced apart to reduce or prevent signal interference between them. Therefore, narrow gaps can be formed between the multiple wirings. When external light passes through the narrow gaps, micro-diffraction may occur, resulting in blurred background or image on the back of the display panel. Furthermore, when external light passes through the narrow gaps, micro-diffraction may occur, which may degrade the image quality of the image output from the display panel.

[0087] However, the transparent display device 100 according to an exemplary embodiment of the present disclosure is configured so that the plurality of light shielding members BLK partially overlap at least a portion of the plurality of wirings in the non-emission area NEA, so that external light passing through the narrow gap (or gap) can be blocked by the light shielding members BLK. Therefore, since micro-diffraction can be reduced or prevented in the transparent display device 100 according to an exemplary embodiment of the present disclosure by the plurality of light shielding members BLK, degradation of the image quality of the image can be reduced or prevented, and further, a blurred appearance of the background or image can be reduced or prevented.

[0088] Reference Figure 3 , the plurality of sub-pixels SP may include a first sub-pixel SP1 and a third sub-pixel SP3 spaced apart in a first direction (Y-axis direction), and a second sub-pixel SP2 and a fourth sub-pixel SP4 spaced apart from each of the first sub-pixel SP1 and the third sub-pixel SP3 in a second direction (X-axis direction). The transmission area TA may be arranged adjacent to each of the second sub-pixel SP2 and the fourth sub-pixel SP4. However, it is not limited thereto, and the arrangement structure of the plurality of sub-pixels SP may vary according to the circuit design. For example, the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3 and the fourth sub-pixel SP4 may be arranged in a row in the first direction (Y-axis direction) (or the second direction or any other direction), and the transmission area TA may be arranged adjacent to each (or at least one) of the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3 and the fourth sub-pixel SP4 in the second direction (X-axis direction). Hereinafter, the first to fourth sub-pixels SP1, SP2, SP3, SP4 will be described as follows. Figure 3 Each of the first to fourth sub-pixels SP1, SP2, SP3, and SP4 is described as an example of being arranged in a square shape. In addition, each of the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3, and the fourth sub-pixel SP4 can be arranged in a square shape, as shown in FIG. Figure 3As shown, but not limited to this. As an example, each of the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3, and the fourth sub-pixel SP4 may be arranged in a rectangular shape, a circular shape, an oval shape, a polygonal shape, etc. As an example, the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3, and the fourth sub-pixel SP4 may be arranged in the same shape or in different shapes. As an example, the transmission area TA may be arranged in a square shape, a rectangular shape, a circular shape, an oval shape, a polygonal shape, etc., but not limited thereto.

[0089] In the transparent display apparatus 100 according to an exemplary embodiment of the present disclosure, the plurality of light blocking members BLK may include a first light blocking member BLK1 and a second light blocking member BLK2 .

[0090] The first light blocking member BLK1 according to one example may be disposed to extend from the first sub-pixel SP1 to the third sub-pixel SP3 .

[0091] like Figure 3 As shown, the first light blocking member BLK1 may partially or completely overlap the pixel power line VDD in the non-emission area NEA. For example, the first light blocking member BLK1 may overlap a portion of the pixel power line VDD in the non-emission area NEA disposed to the left of the first emission area EA1-1 and the second emission area EA1-2 of the first subpixel SP1.

[0092] In addition, the first light blocking member BLK1 may overlap a portion of a reference line RL (or a left portion of the reference line RL) extending along the first direction (Y-axis direction) between the first sub-pixel SP1 and the second sub-pixel SP2. In addition, the first light blocking member BLK1 may also overlap a portion of a data line (for example, a portion of the first data line DL1 and a portion of the second data line DL2) extending along the first direction (Y-axis direction) between the first emission area EA1-1 and the second emission area EA1-2 of the first sub-pixel SP1.

[0093] In addition, the first light blocking member BLK1 may overlap a portion of the first signal line SL1 (or a portion of the gate line GL) extending along the second direction (X-axis direction) between the first sub-pixel SP1 and the third sub-pixel SP3. In addition, the first light blocking member BLK1 may also overlap a portion of the data line (for example, a portion of the first data line DL1 and a portion of the second data line DL2) extending along the first direction (Y-axis direction) between the first emission area EA3-1 and the second emission area EA3-2 of the third sub-pixel SP3.

[0094] Therefore, if Figure 3As shown, the first light blocking member BLK1 may be configured in a quadrangular shape (or a trapezoidal shape) surrounding the light emitting area of ​​each of the first and third sub-pixels SP1 and SP3.

[0095] According to one example, the second light blocking member BLK2 is spaced apart from the first light blocking member BLK1 and may be arranged to extend from the second sub-pixel SP2 to the fourth sub-pixel SP4. For example, the second light blocking member BLK2 may be spaced apart from the first light blocking member BLK1 on a reference line RL disposed between the pixel power line VDD and the common power line VSS.

[0096] like Figure 3 As shown, the second light blocking member BLK2 may partially overlap with the common power line VSS in the non-emission area NEA. For example, the second light blocking member BLK2 may overlap with a portion of the common power line VSS in the non-emission area NEA disposed to the right of the first and second emission areas EA2-1 and EA2-2 of the second subpixel SP2. The right sides of the first and second emission areas EA2-1 and EA2-2 of the second subpixel SP2 may refer to the space between each of the first and second emission areas EA2-1 and EA2-2 of the second subpixel SP2 and the transmission area TA.

[0097] In addition, the second light blocking member BLK2 may overlap with a portion of the reference line RL (or the right portion of the reference line RL) extending along the first direction (Y-axis direction) between the first sub-pixel SP1 and the second sub-pixel SP2. In addition, the second light blocking member BLK2 may also overlap with a portion of the data line (for example, a portion of the third data line DL3 and a portion of the fourth data line DL4) extending along the first direction (Y-axis direction) between the first emission area EA2-1 and the second emission area EA2-2 of the second sub-pixel SP2.

[0098] In addition, the second light blocking member BLK2 may overlap with a portion of the first signal line SL1 (or a portion of the gate line GL) extending along the second direction (X-axis direction) between the second sub-pixel SP2 and the fourth sub-pixel SP4. In addition, the second light blocking member BLK2 may also overlap with a portion of the data line (for example, a portion of the third data line DL3 and a portion of the fourth data line DL4) extending along the first direction (Y-axis direction) between the first emission area EA4-1 and the second emission area EA4-2 of the fourth sub-pixel SP4.

[0099] Therefore, if Figure 3 As shown, the second light blocking member BLK2 may be configured in a square shape (or a trapezoidal shape) surrounding the light emitting area of ​​each of the second sub-pixel SP2 and the fourth sub-pixel SP4.

[0100] Therefore, in the transparent display device 100 according to an exemplary embodiment of the present disclosure, each of the first light blocking member BLK1 and the second light blocking member BLK2 can be arranged in a quadrilateral shape (or trapezoidal shape) surrounding the light-emitting area of ​​each of the plurality of sub-pixels SP. As an example, in the transparent display device 100 according to an exemplary embodiment of the present disclosure, each of the first light blocking member BLK1 and the second light blocking member BLK2 can be arranged in the non-light-emitting area NEA of each of the plurality of sub-pixels SP, which does not include the light-emitting area. Therefore, in the transparent display device 100 according to an exemplary embodiment of the present disclosure, the quadrilateral (or trapezoidal) shape of the first light blocking member BLK1 and the second light blocking member BLK2 can block external light that passes through the narrow gaps (or gaps) between the plurality of wirings arranged in the non-light-emitting area NEA, thereby reducing or preventing micro-diffraction.

[0101] On the other hand, Figure 3 As shown, since each of the first and second light shielding members BLK1 and BLK2 is configured as a quadrilateral (or trapezoidal) shape and is spaced apart from each other on the reference line RL, the first and second light shielding members BLK1 and BLK2 can have a structural feature of having symmetrical shapes relative to the reference line RL. As an example, the first and second light shielding members BLK1 and BLK2 can be spaced apart from each other on the central axis of the reference line RL, but are not limited thereto. As an example, the first and second light shielding members BLK1 and BLK2 can have asymmetrical shapes relative to the reference line RL. As an example, the first and second light shielding members BLK1 and BLK2 can overlap with portions of the reference line RL having different areas.

[0102] In the transparent display device 100 according to an exemplary embodiment of the present disclosure, each of the first light shielding member BLK1 and the second light shielding member BLK2 can be provided with an opaque material (e.g., metal). Since each of the first light shielding member BLK1 and the second light shielding member BLK2 is provided with metal, external light passing through the narrow gaps between the plurality of wirings cannot pass through each of the first light shielding member BLK1 and the second light shielding member BLK2 provided with metal and cannot be incident on the interior of the display panel. In addition, as an example, external light that has passed through the narrow gaps between the plurality of wirings can be reflected by each of the first light shielding member BLK1 and the second light shielding member BLK2 made of metal and emitted back to the outside, but is not limited thereto. Therefore, the transparent display device 100 according to an exemplary embodiment of the present disclosure can reduce or prevent the influence of micro-diffraction of external light. Although the first light shielding member BLK1 and the second light shielding member BLK2 have been described above as an example in which each of the first light shielding member BLK1 and the second light shielding member BLK2 is made of metal, the first light shielding member BLK1 and the second light shielding member BLK2 are not limited thereto, and if it is possible to block external light incident through the gaps between the plurality of wirings, each of the first light shielding member BLK1 and the second light shielding member BLK2 may be made of a different material, for example, they may be made of an opaque (for example, black) inorganic or organic material. Below, the example in which each of the first light shielding member BLK1 and the second light shielding member BLK2 is provided with metal will be described.

[0103] In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the first light shielding member BLK1 may be electrically connected to the pixel power line VDD, thereby indirectly connecting to the pad portion PA, as an example, but the present invention is not limited thereto. The second light shielding member BLK2 may be electrically connected to the common power line VSS, thereby indirectly connecting to the pad portion PA, as an example, but the present invention is not limited thereto. In this case, the first light shielding member BLK1 may serve as auxiliary wiring for the pixel power line VDD. Furthermore, the second light shielding member BLK2 may serve as auxiliary wiring for the common power line VSS.

[0104] In typical large-area transparent display devices, a voltage drop occurs when a voltage supplied from the edge of the display panel is applied to the center of the display panel. Consequently, these devices suffer from uneven brightness of images emitted from the edge and center of the display panel. Furthermore, these devices require high power to drive the display panel to address this uneven brightness, which increases overall power consumption.

[0105] However, the transparent display device 100 according to an exemplary embodiment of the present disclosure is provided with a first light shielding member BLK1 and a second light shielding member BLK2 connected to the pixel power line VDD and / or the common power line VSS. Since the first light shielding member BLK1 can be used as an auxiliary wiring for the pixel power line VDD and the second light shielding member BLK2 can be used as an auxiliary wiring for the common power line VSS, it is possible to reduce or prevent a voltage drop in the central portion of the display panel. Therefore, the transparent display device 100 according to an exemplary embodiment of the present disclosure can make the brightness of the image emitted from the edge portion and the central portion of the display panel uniform even when it is provided in a large area.

[0106] In addition, the transparent display device 100 according to an exemplary embodiment of the present disclosure is provided with a first light shading member BLK1 and a second light shading member BLK2 connected to the pixel power line VDD and / or the common power line VSS, so that the voltage drop in the central portion of the display panel can be reduced or prevented, thereby making the brightness of the edge portion and the central portion of the display panel uniform under low power conditions, thereby reducing the overall power consumption.

[0107] In addition, the transparent display device 100 according to an exemplary embodiment of the present disclosure is configured such that the first light shielding member BLK1 of a quadrilateral shape (or a trapezoidal shape) is connected to the pixel power line VDD, and the second light shielding member BLK2 of a quadrilateral shape (or a trapezoidal shape) is connected to the common power line VSS. The first light shielding member BLK1 and the pixel power line VDD can be applied with the same pixel voltage, and the second light shielding member BLK2 and the common power line VSS can be applied with the same common voltage. Therefore, the transparent display device 100 according to an exemplary embodiment of the present disclosure can be maintained at a constant voltage during driving, thereby reducing or preventing coupling between different pixels P.

[0108] In the following, reference Figure 4 , the structure of each of the plurality of sub-pixels SP will be described in detail. Figure 4 yes Figure 2 Schematic cross-sectional view along line II' is shown.

[0109] Reference Figure 4 A transparent display device 100 according to an exemplary embodiment of the present disclosure may include a buffer layer BL, a circuit element layer 111, a thin film transistor 112, an overcoat layer 113, a pixel electrode 114, a dam 115, an organic light emitting layer 116, an opposite electrode 117, a filling layer 118, a color filter CF, and a black matrix BM.

[0110] In more detail, each sub-pixel SP according to an exemplary embodiment may include: a circuit element layer 111 disposed on the upper surface of the buffer layer BL, which includes a gate insulating layer 111a, an interlayer insulating layer 111b and a passivation layer 111c; an overcoat layer 113 disposed on the circuit element layer 111; a pixel electrode 114 disposed on the overcoat layer 113; a bank 115 covering an edge of the pixel electrode 114; an organic light-emitting layer 116 on the pixel electrode 114 and the bank 115; an opposite electrode 117 on the organic light-emitting layer 116; a filling layer 118 on the opposite electrode 117; and a color filter CF and a black matrix BM on the filling layer 118.

[0111] The thin film transistor 112 for driving the sub-pixel SP may be provided on the circuit element layer 111. The circuit element layer 111 may be referred to as an inorganic film layer. The buffer layer BL may be included in the circuit element layer 111 together with the gate insulating layer 111a, the interlayer insulating layer 111b, and the passivation layer 111c. The pixel electrode 114, the organic light emitting layer 116, and the counter electrode 117 may be included in the light emitting element layer E.

[0112] A buffer layer BL may be formed between the substrate 110 and the gate insulating layer 111a to protect the thin film transistor 112. The buffer layer BL may be provided on the entire surface (or front surface) of the substrate 110. A pixel power line VDD for pixel driving may be provided between the buffer layer BL and the substrate 110 or between the circuit element layer 111 and the substrate 110. The pixel power line VDD may be provided below the embankment 115 while being spaced apart from the thin film transistor 112. A reference line RL may also be provided between the buffer layer BL and the substrate 110 or between the circuit element layer 111 and the substrate 110. The reference line RL may be provided in a non-emission area NEA that does not overlap with the emission area EA. The buffer layer BL may be used to prevent materials contained in the substrate 110 from diffusing into the transistor layer during the high-temperature process of the thin film transistor manufacturing process. Optionally, in some cases, the buffer layer BL may be omitted.

[0113] The thin film transistor 112 (or driving transistor) according to an example may include an active layer 112 a , a gate electrode 112 b , a source electrode 112 c , and a drain electrode 112 d .

[0114] The active layer 112a may include a channel region, a drain region, and a source region formed in a thin film transistor region of a circuit region of the sub-pixel SP. The drain region and the source region may be spaced apart from each other with the channel region interposed therebetween.

[0115] The active layer 112 a may be formed of a semiconductor material based on any one of amorphous silicon, polysilicon, oxide, compound, and organic material, but is not limited thereto.

[0116] The gate insulating layer 111a may be formed on the channel region of the active layer 112a. As an example, the gate insulating layer 111a may be formed in an island shape only on the channel region of the active layer 112a, or may be formed on the entire front surface of the substrate 110 or the buffer layer BL including the active layer 112a.

[0117] The gate 112 b may be formed on the gate insulating layer 111 a to overlap the channel region of the active layer 112 a .

[0118] An interlayer insulating layer 111b may be formed on the gate electrode 112b and the drain and source regions of the active layer 112a. Figure 4 As shown, the interlayer insulating layer 111b may be formed in the entire light emitting region in which light is emitted to the sub-pixel SP. However, the embodiments of the present disclosure are not limited thereto, and the interlayer insulating layer 111b may be patterned between the drain electrode 112d and the gate electrode 112b and the drain region of the active layer 112a, and may be arranged in an island shape. Furthermore, the interlayer insulating layer 111b may be patterned between the source electrode 112c and the gate electrode 112b and the source region of the active layer 112a, and may be arranged in an island shape.

[0119] The source electrode 112c may be electrically connected to the source region of the active layer 112a through a source contact hole provided in the interlayer insulating layer 111b overlapping the source region of the active layer 112a. The drain electrode 112d may be electrically connected to the drain region of the active layer 112a through a drain contact hole provided in the interlayer insulating layer 111b overlapping the drain region of the active layer 112a.

[0120] The drain 112d and the source 112c may be made of the same material (e.g., the same metal material) or different materials. For example, each of the drain 112d and the source 112c may be made of a single metal layer, a single alloy layer, or a multilayer of two or more layers that are the same or different from the material of the gate.

[0121] In addition, the circuit area may further include a first switching thin film transistor, a second switching thin film transistor, or more transistors, and a capacitor provided together with the thin film transistor 112. Since each of the first switching thin film transistor and the second switching thin film transistor is provided on the circuit area of ​​the sub-pixel SP to have a structure that is the same as or similar to that of the thin film transistor 112, a description thereof will be omitted or briefly given. The capacitor (not shown) may be provided in an overlapping region between the gate electrode 112b and the source electrode 112c of the thin film transistor 112, which overlap with each other with the interlayer insulating layer 111b interposed therebetween, or may be provided separately and connected to the corresponding electrodes of the thin film transistor 112, but is not limited thereto.

[0122] Furthermore, to reduce or prevent light-induced shifts in the threshold voltage of the thin-film transistors (TFTs) located in the pixel regions, the display panel or substrate 110 may further include a light-shielding layer LS disposed beneath the active layer 112a of at least one of the thin-film transistors 112, the first switching TFT, or the second switching TFT. The light-shielding layer LS may be disposed between the substrate 110 and the active layer 112a to block light incident on the active layer 112a through the substrate 110, thereby reducing or minimizing changes in the threshold voltage of the transistors due to external light. Furthermore, since the light-shielding layer is disposed between the substrate 110 and the active layer 112a, it can reduce or prevent the user from viewing the TFTs.

[0123] A passivation layer 111c may be provided on the substrate 110 to cover the pixel region. The passivation layer 111c covers the drain electrode 112d, the source electrode 112c, and the gate electrode 112b of the thin film transistor 112 and the buffer layer BL.

[0124] On the other hand, Figure 4 As shown, the pixel power line VDD can be arranged to overlap the bank 115 in the third direction (Z-axis direction), and the reference line RL can overlap or not overlap the bank 115 in the third direction (Z-axis direction), but is not limited thereto. The passivation layer 111c can be formed above the circuit area and the light-emitting area. The passivation layer 111c can be omitted.

[0125] An overcoat 113 may be provided on the substrate 110 to cover the passivation layer 111c. When the passivation layer 111c is omitted, the overcoat 113 may be provided on the substrate 110 to cover the circuit area (or thin film transistor 112). The overcoat 113 may be formed in the circuit area CA and the light-emitting area EA in which the thin film transistor 112 is provided. In addition, the overcoat 113 may be formed in the non-display area NDA other than the pad portion PA and the entire display area DA of the non-display area NDA. For example, the overcoat 113 may include an extension portion (or an expansion portion) extending or expanding from the display area DA to the non-display area NDA other than the pad portion PA. Therefore, the overcoat 113 may have a size that is relatively wider than the size of the display area DA, but is not limited thereto.

[0126] The overcoat layer 113 according to an example may be formed to have a relatively thick thickness to provide a flat surface on the display area DA and the non-display area NDA. For example, the overcoat layer 113 may be made of an organic material such as photoacrylic, benzocyclobutene, polyimide, and fluororesin, but is not limited thereto.

[0127] On the other hand, the upper surface of the overcoat 113 can be arranged flat. Accordingly, the pixel electrode 114 on the overcoat 113 can also be arranged flat, and the organic light-emitting layer 116 and the counter electrode 117 formed thereon can also be arranged flat. Since the pixel electrode 114, the organic light-emitting layer 116, and the counter electrode 117 (i.e., the light-emitting element layer E) are arranged flat in the light-emitting area EA, the thickness of each of the pixel electrode 114, the organic light-emitting layer 116, and the counter electrode 117 in the light-emitting area EA can be formed uniformly. Therefore, the organic light-emitting layer 116 can emit light uniformly in the light-emitting area EA without deviation.

[0128] According to an example, the pixel electrode 114 can be formed on the overcoat 113. Since multiple wirings are provided between the overcoat 113 and the substrate 110, the pixel electrode 114 can be provided above the multiple wirings. The pixel electrode 114 can be connected to the drain or source of the thin film transistor 112 through a contact hole passing through the overcoat 113 and the passivation layer 111c. An edge portion of the pixel electrode 114 can be covered by the embankment 115. The pixel electrode 114 can be made of at least one of a transparent metal material or a semi-transmissive metal material. Embodiments are not limited thereto. As an example, an edge portion of the pixel electrode 114 can be in contact with the embankment 115 without being covered by the embankment 115. As an example, the pixel electrode 114 can be made of an opaque material or a conductive material other than a metal.

[0129] Since the transparent display device 100 according to an exemplary embodiment of the present disclosure is a top-emitting type, as an example, the pixel electrode 114 can be made of a highly reflective metal material or a stacked structure of a highly reflective metal material and a transparent metal material, but is not limited thereto. For example, the pixel electrode 114 can be formed of a metal material with high reflectivity (such as a stacked structure of aluminum and titanium (Ti / Al / Ti), a stacked structure of aluminum and ITO (ITO / Al / ITO), an Ag alloy, and a stacked structure of an Ag alloy and ITO (ITO / Ag alloy / ITO), but is not limited thereto. The Ag alloy can be an alloy such as silver (Ag), palladium (Pd), and copper (Cu).

[0130] In addition, the material constituting the pixel electrode 114 may include MoTi. The pixel electrode 114 may be a first electrode or an anode electrode.

[0131] The bank 115 may be a region that does not emit light and is disposed on one side of the emission area EA of each of the plurality of sub-pixels SP. For example, the bank 115 may be disposed in the non-emission area NEA. The bank 115 may be formed to cover a portion of the edge of the pixel electrode 114. Thus, the bank 115 may separate the pixel electrode 114 and the counter electrode 117 at the edge of the pixel electrode 114. The exposed portion of the pixel electrode 114 not covered by the bank 115 may be included in the emission portion (or emission area EA).

[0132] After forming the bank 115, an organic light-emitting layer 116 may be formed to cover the pixel electrode 114 and the bank 115. Thus, the bank 115 may be provided between the pixel electrode 114 and the organic light-emitting layer 116. The bank 115 may be referred to as a pixel-defining film. According to one example, the bank 115 may include an organic material and / or an inorganic material.

[0133] Reference again Figure 4 , an organic light-emitting layer 116 may be formed on the pixel electrode 114 and the bank 115. According to one example, the organic light-emitting layer 116 may be provided in the emission area EA and the non-emission area NEA. The organic light-emitting layer 116 may be provided between the pixel electrode 114 and the counter electrode 117. Therefore, when a voltage is applied to each of the pixel electrode 114 and the counter electrode 117, an electric field is formed between the pixel electrode 114 and the counter electrode 117. As a result, the organic light-emitting layer 116 may emit light. The organic light-emitting layer 116 may be formed of the light-emitting layers of the plurality of sub-pixels SP and an optional common layer provided on the bank 115.

[0134] As an example, the organic light-emitting layer 116 according to an exemplary embodiment may be provided to emit white light, but is not limited thereto. As an example, the organic light-emitting layer 116 may include a plurality of stacked layers that emit light of different colors. For example, the organic light-emitting layer 116 may include a first stacked layer, a second stacked layer, and a charge generation layer (CGL) disposed between the first stacked layer and the second stacked layer. The light-emitting layer may be configured to emit white light, and therefore, each of the plurality of sub-pixels SP may include a color filter CF suitable for the corresponding color.

[0135] The first stack may be provided on the pixel electrode 114 and may be implemented by a structure in which a hole injection layer (HIL), a hole transport layer (HTL), an emission layer (EML(B)), and an electron transport layer (ETL) are stacked in this order. Embodiments are not limited thereto. As an example, at least one of the hole injection layer (HIL), the hole transport layer (HTL), and the electron transport layer (ETL) may be omitted.

[0136] The charge generation layer can supply charges to the first stack and the second stack. The charge generation layer may include an N-type charge generation layer for supplying electrons to the first stack and a P-type charge generation layer for supplying holes to the second stack. The N-type charge generation layer may include a metal material as a dopant, but is not limited thereto.

[0137] The second stack may be provided on the first stack and may be implemented in a structure in which a hole transport layer (HTL), a yellow-green (YG) light-emitting layer (EML(YG)), an electron transport layer (ETL), and an electron injection layer (EIL) are stacked in this order. Embodiments are not limited thereto. As an example, at least one of the hole transport layer (HTL), the electron transport layer (ETL), and the electron injection layer (EIL) may be omitted.

[0138] In the transparent display device 100 according to an exemplary embodiment of the present disclosure, since the organic light-emitting layer 116 is provided as a common layer, the first stack, the charge generation layer, and the second stack can be arranged above all of the plurality of sub-pixels SP. According to another example, the organic light-emitting layer 116 can be provided as a multi-layer stacked structure, such as a three-stacked structure or a four-stacked structure, depending on the number of stacked layers. The embodiment is not limited thereto. As an example, the organic light-emitting layer 116 can also be provided separately in each sub-pixel or each emission area EA.

[0139] The counter electrode 117 may be formed on the organic light-emitting layer 116. The counter electrode 117 may be disposed in the light-emitting area EA and the non-light-emitting area NEA. As an example, the counter electrode 117 according to one example may include a metal material or other conductive material. As an example, the counter electrode 117 may include a highly reflective metal material or a stacked structure of a highly reflective metal material and a transparent metal material, but is not limited thereto. As an example, the counter electrode 117 may reflect light emitted from the organic light-emitting layer 116 in the plurality of sub-pixels SP toward the lower surface of the substrate 110. As an example, the transparent display device 100 according to an exemplary embodiment of the present disclosure may be implemented as a bottom-emitting display device, a top-emitting display device, or a dual-emitting display device.

[0140] If the transparent display device 100 according to an exemplary embodiment of the present disclosure is a top emission type, the counter electrode 117 may be formed of a transparent conductive material TCO such as ITO or IZO that can transmit light or a semi-transmissive conductive material TMCM such as magnesium (Mg), silver (Ag), or an alloy of magnesium (Mg) and silver (Ag). Such a counter electrode 117 may be referred to as a second electrode or a cathode electrode.

[0141] Filling layer 118 is formed on counter electrode 117. Filling layer 118 is used to reduce or prevent oxygen or moisture from penetrating into organic light-emitting layer 116 and counter electrode 117. To this end, as an example, filling layer 118 may be configured to include a getter capable of absorbing oxygen or moisture. Alternatively, filling layer 118 may include multiple layers, each of which includes at least one inorganic film and at least one organic film.

[0142] On the other hand, Figure 4 As shown, the filling layer 118 may be provided not only in the emission area EA but also in the non-emission area NEA. The filling layer 118 may be provided between the opposite electrode 117 and the opposite substrate 200.

[0143] A color filter CF and a black matrix BM may be provided between the filling layer 118 and the counter substrate 200. As described above, since the organic light-emitting layer 116 emits white light, a color filter may not be provided for the white light sub-pixel SP2. On the other hand, the red sub-pixel SP1 may be provided with a first color filter (or red color filter CF1) between the filling layer 118 and the counter substrate 200. The blue sub-pixel SP3 may be provided with a second color filter CF2 (or blue color filter CF2) between the filling layer 118 and the counter substrate 200. The green sub-pixel SP4 may be provided with a third color filter CF3 (or green color filter CF3) between the filling layer 118 and the counter substrate 200. Figure 4 As shown, the color filter CF may be configured to partially cover the black matrix BM.

[0144] On the other hand, the black matrix BM can be disposed between the plurality of sub-pixels SP1, SP2, SP3, SP4 to reduce or prevent color mixing and / or light leakage. Figure 2 As shown, the black matrix BM may not be disposed between the first and second light-emitting areas. This is because the first and second light-emitting areas are included in sub-pixels that emit light of the same color. For example, the black matrix BM may not be disposed between the first light-emitting area EA1-1 and the second light-emitting area EA1-2 of the first sub-pixel SP1 (which is a red sub-pixel). Therefore, the transparent display device 100 according to an exemplary embodiment of the present disclosure can be configured to emit a uniform color from each of the multiple sub-pixels SP. The embodiment is not limited to this. As an example, the black matrix BM can also be disposed between the first and second light-emitting areas.

[0145] The black matrix BM may include a black material and may be disposed to overlap the bank 115. The region where the black matrix BM and / or the bank 115 are disposed may be a dead region or a non-luminous region. The black matrix BM according to the example may be formed on the counter substrate 200 to overlap at least a portion of the bank 115, thereby reducing a cell gap between the organic light-emitting layer 116 and the counter substrate 200 to reduce or prevent sub-pixel mixing.

[0146] Reference again Figure 2 In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the black matrix BM may not be disposed between the second subpixel SP2, which is a white subpixel, and the transmission area TA. This is because the second subpixel SP2 is configured to emit white light, and therefore, even if the black matrix BM is not disposed between the second subpixel SP2 and the transmission area TA, color mixing does not occur. Therefore, the transparent display device 100 according to an exemplary embodiment of the present disclosure may have a structural feature in which the black matrix BM is not disposed between the second subpixel SP2 and the transmission area TA. Embodiments are not limited thereto. As an example, the black matrix BM may further be disposed between the second subpixel SP2, which is a white subpixel, and the transmission area TA.

[0147] In the following, reference Figure 5 and Figure 6 , a plurality of wirings and a plurality of light blocking members BLK included in the transparent display apparatus 100 according to an exemplary embodiment of the present disclosure will be described in more detail.

[0148] Figure 5 yes Figure 2 A schematic cross-sectional view of line II-II' is shown, and Figure 6 yes Figure 2 Schematic cross-sectional view along line III-III' is shown.

[0149] Now refer to Figure 5 In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the black matrix BM may partially overlap each of the first light blocking member BLK1 and / or the second light blocking member BLK2. As described above, each of the first light blocking member BLK1 and the second light blocking member BLK2 is used to block external light passing between the plurality of wirings disposed in the non-emission area NEA. Therefore, each of the first light blocking member BLK1 and the second light blocking member BLK2 may partially overlap at least a portion of the plurality of wirings disposed in the non-emission area NEA, and the black matrix BM disposed in the non-emission area NEA may partially overlap each of the first light blocking member BLK1 and / or the second light blocking member BLK2.

[0150] For example, Figure 5As shown, the black matrix BM disposed between the first subpixel SP1 and the second subpixel SP2 can overlap with a portion of the first light shielding member BLK1 (or the right portion of the first light shielding member BLK1) and a portion of the second light shielding member BLK2 (or the left portion of the second light shielding member BLK2) in the third direction (Z-axis direction). Therefore, the first light shielding member BLK1 and the second light shielding member BLK2 can block external light passing between the second data line DL2 and the reference line RL and between the third data line DL3 and the reference line RL. Therefore, in the transparent display device 100 according to an exemplary embodiment of the present disclosure, the first light shielding member BLK1 and the second light shielding member BLK2 are configured to overlap with at least a portion of the plurality of wirings, thereby reducing or preventing micro-diffraction caused by external light.

[0151] In addition, the transparent display device 100 according to an exemplary embodiment of the present disclosure is configured so that the black matrix BM partially overlaps with each of the first light shading member BLK1 and / or the second light shading member BLK2, so that external light passing between multiple wirings can be doubly blocked, thereby minimizing or preventing the micro-diffraction phenomenon to the greatest extent or more.

[0152] In addition, the transparent display device 100 according to an exemplary embodiment of the present disclosure is configured so that the black matrix BM partially overlaps with each of the first light shading member BLK1 and / or the second light shading member BLK2. Therefore, even if the black matrix BM is not precisely set in the non-luminous area NEA when the substrate 110 and the opposing substrate 200 are joined, that is, even if misalignment with the embankment 115 occurs, the first light shading member BLK1 and / or the second light shading member BLK2 can also cover the non-luminous area NEA, thereby reducing or preventing the micro-diffraction phenomenon caused by external light.

[0153] Reference Figure 5 and Figure 6 The transparent display device 100 according to an exemplary embodiment of the present disclosure may include a first light blocking member BLK1 and a second light blocking member BLK2 respectively disposed between the pixel electrode 114 and the plurality of wirings. Figure 5As shown, the first light blocking member BLK1 may be partially disposed between a portion of the second data line DL2 and a portion of the pixel electrode 114 of the second emission area EA1-2 of the first sub-pixel SP1. The second light blocking member BLK2 may be partially disposed between a portion of the third data line DL3 and a portion of the pixel electrode 114 of the second emission area EA2-2 of the second sub-pixel SP2. Therefore, each of the first light blocking member BLK1 and the second light blocking member BLK2 may partially overlap with the pixel electrode 114. Therefore, each of the first light blocking member BLK1 and the second light blocking member BLK2 may block external light from passing through the narrow gaps (or gaps) between the plurality of wirings.

[0154] On the other hand, each of the first light blocking member BLK1 and the second light blocking member BLK2 can be configured to protrude further toward the central portion of the pixel electrode 114 (or the central portion of the light emitting area) than the embankment 115. For example, each of the first light blocking member BLK1 and the second light blocking member BLK2 can be configured to protrude further toward the light emitting area EA than the embankment 115 so as to partially overlap with the light emitting area EA. This allows each of the first light blocking member BLK1 and the second light blocking member BLK2 to cover as much of the narrow gap (or gap) between the plurality of wirings as possible to block external light passing through the narrow gap (or gap). Therefore, as Figure 6 As shown, each of the first light blocking member BLK1 and the second light blocking member BLK2 may partially overlap with the color filter CF. Figure 5 In the embodiment, since the second sub-pixel SP2 does not include a color filter, the second light blocking member BLK2 may not partially overlap the color filter of the second sub-pixel SP2. However, when the second sub-pixel SP2 includes a color filter, the second light blocking member BLK2 may partially overlap the color filter of the second sub-pixel SP2.

[0155] In the transparent display device 100 according to an exemplary embodiment of the present disclosure, the first light blocking member BLK1 or the second light blocking member BLK2 may be provided between the first light emitting area and the second light emitting area of ​​each of the plurality of sub-pixels SP. Figure 6As shown, the first light blocking member BLK1 may be disposed between the first light emitting area EA1-1 and the second light emitting area EA1-2 of the first sub-pixel SP1. As described above, the transparent display device 100 according to an exemplary embodiment of the present disclosure may not have a black matrix BM disposed between the first light emitting area and the second light emitting area in order to increase the uniformity of the color emitted by one sub-pixel SP. Therefore, external light may be transmitted between the pixel electrode 114 of the first light emitting area and the pixel electrode 114 of the second light emitting area. However, the transparent display device 100 according to an exemplary embodiment of the present disclosure is configured so that the first light blocking member BLK1 or the second light blocking member BLK2 is disposed between the first light emitting area and the second light emitting area of ​​each of the plurality of sub-pixels SP, thereby blocking external light transmitted between the first light emitting area and the second light emitting area, thereby reducing or preventing the micro-diffraction phenomenon.

[0156] On the other hand, Figure 6 As shown, the width BW of the first light blocking member BLK1 or the second light blocking member BLK2 may be equal to or greater than the width BNW of the bank 115. Figure 6 As shown, the width BW of the first light blocking member BLK1 can be wider than the width BNW of the bank 115. This is because when the width of the first light blocking member or the second light blocking member is narrower than the width of the bank, external light may pass between the first light blocking member or the second light blocking member and the pixel electrode, which may cause micro-diffraction. Therefore, according to an exemplary embodiment of the present disclosure, the transparent display device 100 is provided with a width BW of the first light blocking member BLK1 or the second light blocking member BLK2 that is equal to or wider than the width BNW of the bank 115. Therefore, the first light blocking member BLK1 or the second light blocking member BLK2 can cover the gap between the pixel electrodes 114, thereby reducing or preventing the micro-diffraction phenomenon.

[0157] The transparent display device 100 according to an exemplary embodiment of the present disclosure may have a transmission area TA disposed adjacent to each of the second sub-pixel SP2 and the fourth sub-pixel SP4. Figure 2 As shown. As described above, the fourth sub-pixel SP4 as a green sub-pixel may include a color filter (or a third color filter CF3). Here, the common power line VSS may be thicker than the data line DL to apply a common power to each of the plurality of pixels P in the display area DA, as shown. Figure 2 As shown. Therefore, the common power line VSS may protrude from the color filter, such as the third color filter CF3, toward the transmission area TA by a first distance D1. Thus, the transparent display device 100 according to an exemplary embodiment of the present disclosure may be configured such that the transmission area TA is adjacent to the common power line VSS and has a first width W1.

[0158] Figure 7is a plan view showing a transparent display device according to another exemplary embodiment of the present disclosure, Figure 8 yes Figure 7 The black matrix and color filter are omitted. Figure 9 yes Figure 7 A schematic cross-sectional view of line IV-IV' is shown, and Figure 10 yes Figure 7 Schematic cross-sectional view along line VV' is shown.

[0159] Reference Figure 7 The transparent display device 100 according to another exemplary embodiment of the present specification is similar to the transparent display device according to the above embodiment except that the pixel power line VDD and the common power line VSS are omitted and the connection structure of the first light blocking member BLK1 and the second light blocking member BLK2 is changed. Figure 1 Therefore, the same reference numerals have been assigned to the same configurations, and only different configurations will be described hereinafter.

[0160] In accordance with Figure 1 In the case of a transparent display device, each of the first light shielding member BLK1 and the second light shielding member BLK2 made of metal is provided between the plurality of wirings and the pixel electrode 114, and the first light shielding member BLK1 can be electrically connected to the pixel power supply line VDD, thereby indirectly connected to the pad portion PA, and the second light shielding member BLK2 can be electrically connected to the common power supply line VSS, thereby indirectly connected to the pad portion PA. Figure 1 In the case of a transparent display device, when the first light shading member BLK1 is used as an auxiliary wiring of the pixel power line VDD and the second light shading member BLK2 is used as an auxiliary wiring of the common power line VSS, the voltage drop in the central portion of the display panel can be reduced or prevented, thereby making the brightness of the image emitted from the edge portion and the central portion of the display panel uniform.

[0161] On the contrary, according to Figure 7 In the case of the transparent display device 100 (or the transparent display device 100 according to another exemplary embodiment of the present specification), (in Figure 8 Each of the first light blocking member BLK1 and the second light blocking member BLK2 (shown in FIG) may be provided with a metal. Figure 8 The first light blocking member BLK1 shown in FIG may be directly connected to the pad portion PA, and the second light blocking member BLK2 may be directly connected to the pad portion PA. Figure 7 The transparent display device 100 may have a structure in which the pixel power line VDD and the common power line VSS are omitted. That is, according to Figure 7The transparent display device 100 may be configured such that the first light blocking member BLK1 has a function of the pixel power line VDD and the second light blocking member BLK2 has a function of the common power line VSS. Figure 8 As shown, the first light blocking member BLK1 may be assigned a reference sign of VDD, and the second light blocking member BLK2 may be assigned a reference sign of VSS.

[0162] On the other hand, there is no black matrix BM between the second sub-pixel SP2 and the transmission area TA, so that the second light blocking member BLK2 may be shown between the second sub-pixel SP2 and the transmission area TA in a plan view without the black matrix BM, as shown in FIG. Figure 7 shown.

[0163] In the transparent display device 100 according to another exemplary embodiment of the present specification, the first light blocking member BLK1 may be thinner than that according to the embodiment of the present invention. Figure 1 The pixel power line VDD of the transparent display device of FIG. 1 is thick (or wide) because the shape of the first light blocking member BLK1 is a quadrangle (or trapezoid). Therefore, in the transparent display device 100 according to another exemplary embodiment of the present specification, the current density of the first light blocking member BLK1 can be smaller than that according to the embodiment of FIG. 1 at the same voltage. Figure 1 Therefore, when the current density of the first light blocking member BLK1 of the transparent display device 100 according to another exemplary embodiment of the present specification is the same as that according to Figure 1 When the current density of the pixel power line VDD of the transparent display device is the same or similar, the width of the first light blocking member BLK1 of the transparent display device 100 according to another exemplary embodiment of this specification may be reduced.

[0164] Similarly, since the second light blocking member BLK2 has a quadrilateral (or trapezoidal) shape and can be compared with the Figure 1 The common power line VSS of the transparent display device is wide (or thick), so in accordance with Figure 7 In the transparent display device 100, at the same voltage, the current density of the second light blocking member BLK2 may be less than that according to Figure 1 Therefore, when the current density of the common power line VSS of the transparent display device is Figure 7 The current density of the second light blocking member BLK2 of the transparent display device 100 is Figure 1 When the current density of the common power line VSS of the transparent display device is the same or similar, the current density of the common power line VSS of the transparent display device can be reduced according to Figure 7 The width of the second light blocking member BLK2 of the transparent display device 100 is .

[0165] Therefore, since the transparent display device 100 according to another exemplary embodiment of the present disclosure can have a reduced width of each of the first light blocking member BLK1 and the second light blocking member BLK2, the extent to which each of the first light blocking member BLK1 and the second light blocking member BLK2 protrudes toward the transmission area TA can be reduced. Figure 7 As shown, the second light blocking member BLK2 may protrude from the color filter (eg, it may be the third color filter CF3) toward the transmission area TA by a second distance D2. Here, the second distance D2 may be less than Figure 1 Therefore, the transparent display device 100 according to another exemplary embodiment of the present disclosure may be configured to have a larger light shielding area TA by being configured such that the second light blocking member BLK2 protrudes from the color filter (or the third color filter CF3) toward the transmission area TA by a second distance D2 that is smaller than the first distance D1. Figure 1 The first width W1 of the transmissive area TA of the transparent display device is wider than the second width W2. Figure 1 Compared to the transparent display device 100 according to another exemplary embodiment of the present disclosure, the transparent display device 100 may have an increased area of ​​the transmission region TA, and thus may improve transmittance (or transparency).

[0166] Reference Figure 9 , a transparent display device 100 according to another exemplary embodiment of the present disclosure has a structure in which the pixel power line VDD and the common power line VSS are omitted, so that Figure 1 The first light shielding member BLK1 on the pixel power line VDD of the transparent display device can be arranged flatly. Figure 10 As shown, the second light shielding member BLK2 can be arranged flat. Figure 4 As shown, since only a portion of the first light blocking member BLK1 overlaps the pixel power line VDD, the first light blocking member BLK1 may not be arranged flatly and may have a stepped portion at the edge of the pixel power line VDD. Figure 4 As shown, the second light blocking member BLK2 may not be disposed flatly and may have a stepped portion at an edge of the common power line VSS, but is not limited thereto.

[0167] On the other hand, Figure 10 As shown, in the transparent display device 100 according to another exemplary embodiment of the present disclosure, the black matrix BM may be provided between the fourth sub-pixel SP4 as the green sub-pixel and the transmission area TA. In addition, the bank 115 covering the edge of the pixel electrode 114 may be provided to overlap with the black matrix BM. Figure 10As shown, the second light blocking member BLK2 may partially overlap each of the black matrix BM and the bank 115 disposed between the fourth sub-pixel SP4 and the transmission area TA. Figure 1 Compared to the transparent display device 100 according to another exemplary embodiment of the present disclosure, the transparent display device 100 may have a wider transmission area TA and thus may have further improved transmittance (or transparency).

[0168] In addition, the transparent display device 100 according to another exemplary embodiment of the present disclosure is provided with a first light shading member BLK1 in a quadrilateral shape (or a trapezoidal shape) having the function of a pixel power line VDD and a second light shading member BLK2 in a quadrilateral shape (or a trapezoidal shape) having the function of a common power line VSS. Therefore, compared with a general transparent display device that only includes a pixel power line and a common power line but does not include a light shading member, the voltage drop in the central portion of the display panel can be minimized or prevented to the greatest extent or more, thereby further improving the brightness uniformity of the image emitted from the edge portion and the central portion of the display panel.

[0169] In addition, the transparent display device 100 according to another exemplary embodiment of the present disclosure is provided with a first light shading member BLK1 in a quadrilateral shape (or a trapezoidal shape) having the function of a pixel power line VDD and a second light shading member BLK2 in a quadrilateral shape (or a trapezoidal shape) having the function of a common power line VSS, so that the voltage drop in the central portion of the display panel can be minimized or prevented to a greater extent, thereby reducing or preventing uneven brightness in the central portion and edge portion of the display panel even under low power conditions, thereby maximizing or increasing overall power consumption reduction.

[0170] The embodiments of the present disclosure have been described in more detail with reference to the accompanying drawings, but the present disclosure is not necessarily limited to these embodiments and can be practiced with various modifications without departing from the technical concept of the present disclosure. Therefore, the embodiments disclosed herein are intended to illustrate rather than limit the technical concept of the present disclosure, and the scope of the technical concept of the present disclosure is not limited by these embodiments. Therefore, the above-mentioned embodiments are exemplary in all aspects and should be understood as non-restrictive. The scope of protection of this specification should be interpreted by the claims, and all technical concepts within the scope of the claims should be interpreted as included within the scope of the claims.

[0171] In the present disclosure, the light shielding member is configured to partially overlap with at least a portion of the plurality of wirings, so that micro-diffraction can be reduced or prevented, thereby reducing or preventing degradation in image quality.

[0172] In the present disclosure, by providing a shading member connected to a pixel power line and / or a common power line, the voltage drop in the central portion of a display panel (or a large-area display panel) can be reduced or prevented, so that the brightness of the image emitted from the edge portion and the central portion of the display panel can be uniform.

[0173] In the present disclosure, by providing a shading member connected to the pixel power line and / or the common power line, the voltage drop in the central part of the display panel (or large-area display panel) can be reduced or prevented, so that the brightness of the edge part and the central part of the display panel can be uniform even under low power conditions, thereby reducing the overall power consumption.

[0174] In the present disclosure, the light shielding member is provided to be connected to the pixel power supply line and / or the common power supply line, so that a coupling phenomenon between pixels during driving can be reduced or prevented.

[0175] In the present disclosure, the light-shielding member is configured to have the function of a pixel power line and / or a common power line, so that the pixel power line and / or the common power line arranged between the light-emitting area and the transmission area can be omitted, thereby increasing the area of ​​the transmission area and thus improving the transmittance (or transparency).

[0176] Effects obtainable from the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned will be apparent to those of ordinary skill in the art from the following description.

[0177] Cross-references to related applications

[0178] This application claims priority to and the benefit of Korean Patent Application No. 10-2024-0029804, filed on February 29, 2024, which is hereby incorporated by reference in its entirety for all purposes as if fully set forth herein.

Claims

1. A display device, comprising: a substrate provided with a plurality of pixels each having a plurality of sub-pixels; a non-luminescent region, the non-luminescent region being disposed between the plurality of sub-pixels on the substrate; a plurality of wirings, wherein the plurality of wirings are arranged in the non-luminescent area; as well as A plurality of light shielding members partially overlap at least a portion of the plurality of wirings.

2. The display device according to claim 1, wherein The plurality of light shielding members overlap with gaps between the plurality of wirings.

3. The display device according to claim 1, wherein Each of the plurality of pixels also has a transmissive region, and The non-luminescent area is further arranged between the transmissive area and the plurality of sub-pixels.

4. The display device according to claim 3, wherein The plurality of light shielding members are provided over at least a portion of the plurality of wirings.

5. The display device according to claim 3, in, The plurality of sub-pixels include: a first sub-pixel and a third sub-pixel spaced apart along a first direction; and a second subpixel spaced apart from the first subpixel along a second direction and a fourth subpixel spaced apart from the third subpixel along the second direction, and Wherein, the plurality of light shielding components include: a first light shielding member disposed to extend from the first sub-pixel to the third sub-pixel; and A second light shielding member is provided to extend from the second sub-pixel to the fourth sub-pixel. The display device according to claim 5 , wherein: Each of the first light shielding member and the second light shielding member is provided in a quadrilateral shape.

7. The display device according to claim 5, wherein The first light shielding member is provided to surround a light emitting area of ​​each of the first sub-pixel and the third sub-pixel, and The second light shielding member is disposed to surround a light emitting area of ​​each of the second sub-pixel and the fourth sub-pixel.

8. The display device according to claim 5, wherein Each of the first light shielding member and the second light shielding member is provided with metal.

9. The display device according to claim 5, in, The plurality of wirings include pixel power lines and common power lines spaced apart from the pixel power lines, and both the pixel power lines and the common power lines extend along the first direction. wherein the first light shielding member partially overlaps the pixel power supply line, and The second light shielding member partially overlaps with the common power line.

10. The display device according to claim 9, in, The second light shielding member is spaced apart from the first light shielding member, Wherein, the first light shielding member is electrically connected to the pixel power supply line, and Wherein, the second light shielding member is electrically connected to the common power line.

11. The display device according to claim 9, in, The pixel power supply line is arranged in the non-luminous area on the left side of the first sub-pixel and the third sub-pixel, and The common power line is disposed in the non-luminescent area on the right side of the second sub-pixel and the fourth sub-pixel.

12. The display device according to claim 9, in, The transmission area is disposed adjacent to each of the second sub-pixel and the fourth sub-pixel, Wherein, the fourth sub-pixel includes a color filter, and The common power line protrudes from the color filter toward the transmission area by a first distance.

13. The display device according to claim 9, in, The plurality of wirings further include a reference line provided between the pixel power line and the common power line, and The first light shielding member and the second light shielding member are spaced apart above the reference line.

14. The display device according to claim 13, wherein The first light shielding member and the second light shielding member are symmetrical with respect to the reference line.

15. The display device according to claim 5, in, Each of the plurality of sub-pixels includes a first light emitting area and a second light emitting area spaced apart from each other along the first direction, and The first light-shielding member or the second light-shielding member is disposed between the first light-emitting area and the second light-emitting area.

16. The display device according to claim 15, further comprising: a bank, the bank being arranged between the first light-emitting area and the second light-emitting area, Wherein, a width of the first light shielding member or the second light shielding member between the first light emitting area and the second light emitting area is equal to or greater than a width of the bank.

17. The display device according to claim 15, further comprising: A black matrix is ​​provided between the plurality of sub-pixels, Wherein, the black matrix is ​​not arranged between the first light-emitting area and the second light-emitting area.

18. The display device according to claim 17, in, The second sub-pixel is a white sub-pixel, and Wherein, the black matrix is ​​not arranged between the second sub-pixel and the transmission area.

19. The display device according to claim 18, wherein The black matrix partially overlaps each of the first light blocking member and / or the second light blocking member.

20. The display device according to claim 1, in, Each of the plurality of sub-pixels includes a pixel electrode disposed above the plurality of wirings, and The plurality of light shielding members are provided between the pixel electrode and the plurality of wirings in a thickness direction of the display device.

21. The display device according to claim 20, in, The plurality of light blocking members partially overlap the pixel electrode.

22. The display device according to claim 20, in, Gaps between the plurality of light shielding members and the plurality of wirings and gaps between the plurality of wirings and the pixel electrodes overlap.

23. The display device according to claim 5, in, A portion of the plurality of sub-pixels includes a color filter, and wherein each of the first light blocking member and the second light blocking member partially overlaps the color filter.

24. The display device according to claim 5, in, Each of the plurality of sub-pixels includes a pixel electrode disposed above the plurality of wirings, The display device further includes a bank portion, the bank portion covers the edge of the pixel electrode, and Each of the first light shielding member and the second light shielding member protrudes further toward a central portion of the pixel electrode than the bank.

25. The display device according to claim 5, in, The substrate includes a non-display area surrounding the plurality of pixels, The non-display area includes a pad portion for driving the plurality of pixels. wherein each of the first light shielding member and the second light shielding member is formed of metal, wherein the first light shielding member is directly connected to the pad portion, and Wherein, the second light shielding member is directly connected to the pad portion.

26. The display device according to claim 25, in, The transmission area is disposed adjacent to each of the second sub-pixel and the fourth sub-pixel, Wherein, the fourth sub-pixel includes a color filter, and The second light shielding member protrudes from the color filter toward the transmission area by a second distance.

27. A display device, comprising: a substrate provided with a plurality of pixels each having a plurality of sub-pixels; a non-luminescent region, the non-luminescent region being disposed between the plurality of sub-pixels on the substrate; a plurality of wirings, wherein the plurality of wirings are arranged in the non-luminescent area; as well as a pixel power line and a common power line, the common power line being spaced apart from the pixel power line, the pixel power line and the common power line being both disposed in the non-luminescent area, The pixel power line and the common power line overlap with gaps between the plurality of wirings.

28. The display device according to claim 27, in, Each of the plurality of sub-pixels includes a pixel electrode disposed above the plurality of wirings, and The pixel power line and the common power line are arranged between the pixel electrode and the plurality of wirings in a thickness direction of the display device.

29. The display device according to claim 28, in, The pixel power lines and the common power lines also overlap gaps between the plurality of wirings and the pixel electrodes.

Images